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Wavelength

The number of...

Question

The number of waves contained in a unit length of a medium is called

A

elastic

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B

wave number

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C

wave pulse

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D

electromagnetic wave

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Solution

The correct option is B
wave number

The number of waves contained in a unit length of a medium is called wave number.
It is reciprocal of the wavelength.
Diagram:
Hence, (b) wave number is the correct option.

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